The 19th Biennial TRB Visibility Symposium was hosted by VTTI and held at The Inn at Virginia Tech and Skelton Conference Center from May 12 – 14, 2009. Seventeen presenters were selected based on abstract submission. Experts from the U.S., Canada, Australia, and France held sessions dealing with roadway lighting, pedestrian visibility, retroreflectivity, measurement and analysis methods, and driver visibility behaviors. Symposium attendees also participated in research demos conducted on Virginia's Smart Road.
Symposium Presentations
Moderator — Ron Gibbons, VTTI
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Moderator — Darrell Bowman, VTTI
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Retroreflectivity
- Drying Additive for Faster Drying Rates of Waterborne Pavement Markings
Cynthia Randazzo, Traffic Markings Technical Service, The Dow Chemical Company
- Developing a Nighttime Traffic Sign Performance Evaluation Technique
Susan C. Paulus, Graduate Assistant Researcher, Texas Transportation Institute, Texas A&M University System
- Comparing Subjective Pavement Marking Assessments with Measured Retroreflectivity Values
Adam Pike, Associate Transportation Researcher, Texas Transportation Institute, Texas A&M University System
- Visibility of Delineators and Chevrons with Reflectorized Posts
Susan T. Chrysler, Senior Research Scientist, Texas Transportation Institute, Texas A&M University System
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Pedestrian Visibility
- Pedestrian Crashes in Michigan: Daylight, Darkness, and Forward Vehicle Lighting
John M. Sullivan, Ph.D., Human Factors Division, University of Michigan Transportation Research Institute
- The Conspicuity of Pedestrians at Night: Effects of Experimentally Induced Visual Impairments and Headlamp Glare
Joanne M. Wood, Professor, School of Optometry and Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, AU
- Open–Road Studies of Pedestrian Conspicuity at Night: The Robustness of Biological Motion Configurations
Stacy A. Balk, Graduate Student, Department of Psychology, Clemson University
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Measurement and Analysis Methods
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Driver Visibility Behavior
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Visibility Modeling Workshop
Improving Visibility Performance from Both Perspectives — Setting a Research Agenda
Moderators — Ron Gibbons and Darrell Bowman, VTTI